.set-div{
    width: 100%;
    height: 750px;
    border: 1px solid #e2e2e2;
}

.btn-div{
    width: 30%;
    height: 260px;
    background-color: #f1f1f1;
    margin: 200px auto;
    border-radius: 5px;
    box-shadow: 0 0 10px #383838;
}

.btn-div h3{
    width: 100%;
    height: 100px;
    line-height: 100px;
    text-align: center;
}

.btn-div p{
    text-align: center;
    font-size: 20px;
    font-weight: bold;
}

.btn-div .btn{
    width: 80%;
    display: block;
    margin: 50px auto 0;
}